public override async Task <bool> ShowTabbedPage(Type view, MvxTabbedPagePresentationAttribute attribute, MvxViewModelRequest request)
{
if (attribute.Position == TabbedPosition.Tab)
{
var page = await CloseAndCreatePage(view, request, attribute);
var tabHost = GetPageOfType <TabbedPage>();
if (tabHost == null)
{
tabHost = new TabbedPage();
await PushOrReplacePage(FormsApplication.MainPage, tabHost, attribute);
}
if (tabHost.Children.Any(p => (p as NavigationPage)?.RootPage.GetType() == page.GetType()))
{
return(true);
}
if (attribute.WrapInNavigationPage)
{
tabHost.Children.Add(new NavigationPage(page)
{
Title = page.Title,
IconImageSource = page.IconImageSource
});
return(true);
}
tabHost.Children.Add(page);
return(true);
}
return(await base.ShowTabbedPage(view, attribute, request));
}
public override async Task <bool> ShowTabbedPage(Type view, MvxTabbedPagePresentationAttribute attribute, MvxViewModelRequest request)
{
var page = await CloseAndCreatePage(view, request, attribute);
if (attribute.Position == TabbedPosition.Root)
{
if (page is TabbedPage tabbedPageRoot)
{
await PushOrReplacePage(FormsApplication.MainPage, page, attribute);
}
else
{
throw new MvxException($"A root page should be of type {nameof(TabbedPage)}");
}
}
else
{
var tabHost = GetPageOfType <TabbedPage>();
if (tabHost == null)
{
tabHost = new TabbedPage();
await PushOrReplacePage(FormsApplication.MainPage, tabHost, attribute);
}
if (attribute.WrapInNavigationPage)
{
page = CreateNavigationPage(page).Build(tp =>
{
tp.Title = page.Title;
tp.IconImageSource = page.IconImageSource;
});
}
tabHost.Children.Add(page);
}
return(true);
}
